Adelaide, Australia’s Happiest City 2025! Adelaide is setting the benchmark in Australia and that’s not just a cliche! According to the 2025 Happy City Index produced by the Institute for Quality of Life, Adelaide has claimed the number one spot among Australian cities, coming in at #29 globally in the happiness stakes. One of the standout reasons why Adelaide ranks so highly is its accessibility and the manageable pace of life. As one report puts it: with its stunning beaches, vibrant festivals